Automatic Air Conditioning

DIAGNOSTIC TROUBLE CODE CHART

CAUTION: During diagnosis, a DTC code associated with another system may be set when the ignition switch is turned on with connector(s) disconnected. After completing the repair, confirm all systems for DTC code(s). If DTC code(s) are set, erase them all.

B1001/B1065 - U1073/U1120:

NOTE: *: When the DTC relating to the CAN communication error are output, make sure of the vehicle equipment. When the vehicle is not equipped with the system the A/C-ECU communicates to, the DTC is always output. This is not abnormal.